COMPOSITION OF LOW-MOLECULAR-WEIGHT METABOLITES OF PLANT RAW MATERIALS USED FOR ENRICHMENT OF FOOD

2020 ◽  
Author(s):  
Н.С. ЕВДОКИМОВ ◽  
О.В. САФРОНОВА
Keyword(s):  
Molecular Weight ◽  
Raw Materials ◽  
Antioxidant Properties ◽  
Release Time ◽  
Low Molecular Weight ◽  
Detailed Understanding ◽  
Plant Raw Materials ◽  
Pumpkin Seeds ◽  
Materials Used ◽  
Physiological Value

Представлены результаты исследования низкомолекулярных метаболитов в водных экстрактах растительного сырья – корневища аира болотного, шрота расторопши, семян тыквы, спирулины. Навески порошков из указанного растительного сырья массой 50 гэкстрагировали в течение 4 ч 150 мл дистиллированной воды при температуре 50°С и непрерывном помешивании на устройстве ЛАБ-ПУ-01 с подогревом. Исследование проводили методом хроматографии с масс-спектрометрическим детектированием. Обнаружено 33 низкомолекулярных метаболита, включающих 11 органических кислот, вещества фенольной природы, 14 углеводов и их производных. Время выхода отдельных веществ составляет от 10,07 до 40,58 мин. Результаты исследования дают детальное представление о составе, физиологической ценности и антиоксидантных свойствах растительного сырья, используемого для обогащения продуктов питания. The results of the study of low-molecular-weight metabolites in water extracts of plant raw materials – calamus rhizome, milk thistle meal, pumpkin seeds, spirulina are presented. Powders from the specified plant raw materials weighing 50 g were extracted for 4 hours with 150 ml of distilled water at a temperature of 50°C and continuous stirring on a heated device. The study was performed by chromatography with mass spectrometric detection. 33 low-molecular-weight metabolites, including 11 organic acids, substances of phenolic nature, 14 carbohydrates and their derivatives were detected. The release time of individual substances is from 10,07 to 40,58 minutes. The results of the study provide a detailed understanding of the composition, physiological value and antioxidant properties of plant raw materials used for enrichment of food.

COMPARATIVE ANALYSIS OF BIOACTIVE SUBSTANCES CONTENT IN THE LEAVES AND FRUITS OF A ROWAN-TREE (SORBUS AUCUPARIA FRUCTUS) AND ASSESSMENT OF PROSPECTS IN MEDICINE AND PHARMACY

2020 ◽  
pp. 58-62
Author(s):  
Chernichkina A.D.
Keyword(s):  
Raw Materials ◽  
Wide Distribution ◽  
Biologically Active ◽  
Bioactive Substances ◽  
Plant Raw Materials ◽  
Mountain Ash ◽  
The Russian Federation ◽  
Materials Used ◽  
Active Substances ◽  
Pectin Substances

A large number of biologically active substances, organic acids, tannins, and pectin substances were detected during the study of fruits, leaves, and pulp of the fruits of mountain Ash. The content of these substances in leaves and pulp will significantly expand the arsenal of medicinal plant raw materials used. Given the wide distribution of mountain Ash in the territory of the Russian Federation, harvesting leaves from the same plants after harvesting the fruit and using pulp will make it possible to obtain new phytopreparations.

Fitoterapia i suplementacja diety w chorobach górnego odcinka przewodu pokarmowego

2019 ◽  
Vol 20 (2) ◽  
Author(s):  
Krzysztof Błecha
Keyword(s):  
Natural Products ◽  
Gastrointestinal Tract ◽  
Digestive System ◽  
Raw Materials ◽  
Main Role ◽  
Plant Raw Materials ◽  
Synthetic Drugs ◽  
Physiological Processes ◽  
Anti Inflammatory ◽  
Materials Used

Prevention and therapy of gastrointestinal tract diseases should take into account as minimal as possible intervention physiological processes which take place in digestive system. Digestive disorders, which are often caused by synthetic drugs, can generate more complicated diseases. Herbs should be a preventive or complementary way of action. They can also play the main role in therapy of less complicated diseases. Natural products are used in therapy of gastrointestinal tract diseases because they have anti-inflammatory, antibacterial, coating, digestion improving and relaxative properties. They are helpful in gastro-oesophageal reflux, dyspepsia, gastritis and ulcers. Natural products, especially plant raw materials, used in the therapy of digestive system diseases, according to their leading activity, can be divided into the following groups: anti-inflammatory and protective, facilitating digestion, sedative and antimicrobial. It should be emphasized that plant raw materials act in multidirectional way and therefore not always may be classified strictly within such groups of curing activity.

Biodiesel fuel synthesis by interesterification of triglycerides with carboxylate esters of low molecular weight

2019 ◽  
Vol 0 (0) ◽  
Author(s):  
Egle Sendzikiene ◽  
Violeta Makareviciene
Keyword(s):  
Molecular Weight ◽  
Raw Materials ◽  
Fatty Acid Esters ◽  
Biodiesel Production ◽  
Molar Ratio ◽  
Transport Sector ◽  
Biodiesel Fuel ◽  
Low Molecular Weight ◽  
Raw Glycerol ◽  
Biodiesel Synthesis

Abstract The ever-increasing environmental pollution from greenhouse gases motivates the search for methods to reduce it. One such method is the use of biodiesel fuels in the transport sector. Conventional biodiesel production generates up to 10% of a by-product, raw glycerol, whose amount continues to increase as biodiesel production volumes expand, but its demand remains limited. Recently, options have been analysed to replace the triglyceride transesterification process generally used in biodiesel production with an interesterification process that does not generate raw glycerol, instead yielding triacylglycerol that can be directly used as fuel for diesel engines by mixing with fatty acid esters. Additionally, triacylglycerol improves the low-temperature properties of fuel. The present article discusses triglyceride interesterification processes using various carboxylate esters of low molecular weight. Information is provided on raw materials that can be subjected to interesterification for biodiesel synthesis. The possible applications of chemical and enzymatic catalysis for triglyceride interesterification are discussed, and the influence of the catalyst amount, molar ratio of reactants, temperature and process duration on the effectiveness of interesterification is examined. The conditions and effectiveness of noncatalytic interesterification are also discussed in the article. Qualitative indicators of the products obtained and their conformity to the requirements of the European standard for biodiesel fuel are discussed.

scholarly journals Influence of Solvent on the Component Composition and Antioxidant Properties of Apricot Cake (Prunus armeniaca L.) Extracts

2020 ◽  
Vol 2020 ◽  
pp. 1-10
Author(s):  
A. S. Shakun ◽  
V. I. Vorobyova ◽  
O. E. Chygyrynets ◽  
M. I. Skiba
Keyword(s):  
High Performance ◽  
Raw Materials ◽  
Antioxidant Properties ◽  
Component Composition ◽  
Prunus Armeniaca ◽  
Biologically Active ◽  
Antioxidant Compounds ◽  
Active Compounds ◽  
Plant Raw Materials ◽  
Prunus Armeniaca L

Antioxidants of natural origin which are based on agroprocessing waste appear as substance with high performance properties. They have complicated structure and contain a complex of biologically active compounds. This is why research of the above is particularly relevant in current competitive market. When working with plant raw materials and isolation of valuable compounds, the urgent issue is the choice of the method (extraction method) and extractant, which will ensure a maximum release of chemically active compounds. Known solvents such as methanol, ethanol, hexane, diethyl ether, and mixtures thereof are usually used for recovery. The purpose of this research was to study the effect of selected nonpolar solvents on the phytochemical composition and the antioxidant capacity of Prunus armeniaca L. Extracts were obtained using ethanol, silicone, propan-2-ol, and mixtures of ethanol silicone and propan-2-ol with silicone. In the obtained extracts, identification of the sequestered chemically active compounds was carried out by means of chromatography, mass spectrometry, and IR and UV spectrometry, and the extracts were evaluated on antioxidant properties. Various extracts showed varying degrees of antioxidant activity in various test systems, depending on the concentration. Since various antioxidant compounds have different mechanisms of action, several methods have been used to evaluate the effectiveness of antioxidant extracts. The results showed that the test solvents play an important role in the extraction of the plant material into the component composition, as well as the antioxidant ability of Prunus armeniaca L.

The Retrieval and Use of Components from AMPS Production Residue

2011 ◽  
Vol 356-360 ◽  
pp. 2060-2064
Author(s):  
Hai Jing Wang ◽  
Jin Sheng Feng
Keyword(s):  
Molecular Weight ◽  
Sulfonic Acid ◽  
Raw Materials ◽  
Low Molecular Weight ◽  
Surface Active Agents ◽  
External Standard Method ◽  
Reinforcing Agent ◽  
External Standard ◽  
Surface Active ◽  
Flocculating Agent

2-acrylamido-2-methylpropane sulfonic acid (AMPS) is commonly used in the synthesis of polyacrylamide which is widely used as surface-active agents, water treatment chemicals and oil-displacing agents. In the production process of AMPS, there are some byproducts. In this paper, the residue from AMPS production is analyzed. The main byproducts in the residue are ascertained by means of HPLC and ESI-MS, which are butylacrylamide (TBAA) and acrylamide. By external standard method, the residue is analyzed quantitatively. Using the residue as raw materials, a kind of polyacrylamide with low molecular weight is synthesized, which can be used as paper reinforcing agent or emulsifier. After the residue is purified, the high molecular weight polyacrylamide is synthesized, which can be used as flocculating agent or oil-displacing agent.

CONCENTRATION AND PURIFICATION OF THE PECTIN EXTRACTS BY ULTRAFILTRATION METHOD

2018 ◽  
pp. 45-48
Author(s):  
I. A. Ilina ◽  
I. A. Machneva ◽  
A. P. Chernutskiy
Keyword(s):  
Heat Treatment ◽  
Molecular Weight ◽  
Comparative Analysis ◽  
Raw Materials ◽  
Low Molecular Weight ◽  
Significant Deterioration ◽  
High Productivity ◽  
Different Types ◽  
Stationary Cell

The work is devoted to the study of pectin extracts ultrafiltration  using different types of membranes. Pectic extracts are the solutions of high molecular weight polysaccharides (MM from 15 to 50 kDa), which are destroyed in the process of heat treatment in the vacuum evaporating apparature, that leads to a significant deterioration in the quality of pectin. The impurity components in the pectin extract of a low molecular weight, which makes it possible to use ultrafiltration for both concentration and purification from ballast substances, that  is very important. The objects of research were pectin extracts obtained from citrus raw materials; the membranes of the type UAM-100 and 200A were used as filter membranes. The results of the study have been shown, that the use of UAM-100 membranes in a stationary cell allows to remove up to 20% of the solution within 20 minutes, and with - stirring up to 27%. The use of membranes with large openings (up to 200 A) makes it possible to activate the process of the separation and concentration of pectin extracts: the degree of concentration reaches up 45%, the content of solids in the concentrate increases up to 7.6%, and the content of pectin to up 6.4%, that is in 1,7 times. However, the loss of low molecular weight pectin in the filtrate is about 4%. A comparative analysis of the results of research has shown a high productivity with the use of the capron membrane 200A, as well as on the qualitative parameters of the pectins, released from the concentrates, the higher parameters for the uroconid component, molecular weight, pectin jelly strength and complexing ability were noted for pectins isolated using the UAM- 100 membrane.

Natural Jerusalem artichoke syrups with prebiotic properties

2021 ◽  
pp. 15-21
Author(s):  
Сергей Леонидович Филатов ◽  
Марина Сергеевна Михайличенко ◽  
Сергей Михайлович Петров ◽  
Надежда Михайловна Подгорнова
Keyword(s):  
Weight Control ◽  
Raw Materials ◽  
Jerusalem Artichoke ◽  
Comparative Characteristic ◽  
Plant Materials ◽  
Low Calorie ◽  
Plant Raw Materials ◽  
High Fructose ◽  
Materials Used ◽  
Low Glycemic Index

Выполнен обзор коммерчески доступных сиропов из различного натурального растительного сырья, используемых в качестве альтернативных сахару подслащивающих веществ пониженной калорийности, здорового углеводного профиля, с пребиотическими свойствами. Приведена общая характеристика и отражен химический состав растительного сырья (топинамбур, цикорий) и сиропов (из сорго, якона, агавы, кленовый, пальмовый, кукурузный), минеральные вещества (макро- и микроэлементы), витамины. Предложена и в производственных условиях апробирована современная инновационная мембранная технология получения фруктозно-глюкозного и фруктоолигосахаридного биосиропов из топинамбура, направленная на наиболее полное использование и сохранение природного состава клеточного сока растения. Фруктоолигосахариды топинамбура обладают пребиотическими свойствами, являются низкокалорийными подсластителями, создают чувство сытости, способствуют контролю массы тела, облегчают пищеварение, имеют низкий гликемический индекс и не вызывают кариес. Для апробации использования в пищевой промышленности приведена сравнительная характеристика сиропов из сахарной свеклы и топинамбура, которые получены на промышленном предприятии. Биосиропы с высоким содержанием фруктозы и олигофруктозный сироп изучены по углеводному составу и протестированы в приготовлении безалкогольных напитков. A review of commercially available syrups from a variety of natural plant materials used as alternatives to sugar, low-calorie sweeteners with a healthy carbohydrate profile and prebiotic properties is reviewed. The general characteristics and the chemical composition of plant raw materials (Jerusalem artichoke, chicory) and syrups (sorghum, yacon, maple, agave, palm, corn) are given: minerals (macro- and microelements), vitamins. A modern innovative membrane technology for producing fructose-glucose and fructo-oligosaccharide biosyrups from Jerusalem artichoke has been proposed and tested in production conditions, aimed at the most complete use and preservation of the natural composition of the plant cell juice. Jerusalem artichoke fructo-oligosaccharides have prebiotic properties, are low-calorie sweeteners, create a feeling of satiety, promote weight control, facilitate digestion, have a low glycemic index and do not cause tooth decay. For approbation of use in the food industry, a comparative characteristic of sugar beet and Jerusalem artichoke syrups, which are obtained at an industrial enterprise, is given. High fructose biosyrups and oligofructose syrup have been studied for their carbohydrate composition and tested in the preparation of soft drinks.

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